"Known as Blaw-Cappel, or the Blue Chapel since blue slate replaced thatched roofs. It lost that name ten years ago when slightly purplish slates replaced blue slates.
Located at the very foot of Mont Cassel, on the route of an old Roman road, the church would have been spared by the Beggars in 1566, because it was not then a parish building. It was only the great chapel of the seigneury of Wemaers - or Winimar - named after one of its first holders.
It included a nave flanked by fairly low side aisles, separated by a series of robust semicircular arches, pierced in thick rubble walls dating back to the Romanesque period. To the north of the later choir, covered with a paneled vault adorned with historiated blocks, was added in the 15th century. a large chapel communicating with it by two large arches resting on a stone column.
Handed over to the parish after the departure of the Beggars, the sanctuary was the subject of major works. In particular, more elevation was given to the aisles, the exterior walls of which were raised in 1569. The high windows of the nave were then condemned and a large roof with two slopes came to cover the whole.
These works were carried out in bricks, from old masonry, made of ferruginous sandstone from Mont Cassel. It is these reddish-brown masonry that gives all its character to the west facade, whose large windows are late, but whose small door dates back to the original construction.
Placed at the end of the nave, the frame bell tower, with a rectangular base, then an octagonal structure, is distinguished by its tapered spire and the elegance of its belfry, openwork and covered with a raised roof, decorated with a crown small pinnacles topped with balls.
As in most sanctuaries in Maritime Flanders, the church houses very fine furniture from the 17th and 18th centuries. The most remarkable pieces are three altarpieces, restored in 2003."